Malicious PDF — malware analysis report

Static analysis result for SHA-256 ddc9074902af215a…

MALICIOUS

PDF

3.1 KB
MD5: 6c7309edc55407eddfe0aad592a87b9b SHA-1: 22db5e4df822cb559cdf44515d7d098b7dc58a9e SHA-256: ddc9074902af215a9e226af8e5dc392724e0549e79f32c32a9e822cebc7492be
138 Risk Score

Malware Insights

MITRE ATT&CK
T1566 Phishing T1204 User Execution

The file is a PDF document that leverages the CVE-2010-0188 vulnerability, a known exploit targeting Adobe Reader's handling of TIFF images within XFA forms. This indicates the document is designed to execute arbitrary code upon opening in a vulnerable reader. The ClamAV detection of 'Pdf.Dropper.Agent-1828999' further confirms its malicious nature as a dropper.

Heuristics 5

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains XFA image data with an inline crafted TIFF payload and shellcode/delivery markers. This is the data-bound variant of the CVE-2010-0188 Adobe Reader LibTIFF/XFA exploit shape.
  • ClamAV: Pdf.Dropper.Agent-1828999 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-1828999
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85
    ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
  • Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_000_off000001e9.bin
b7d7895af5e4fc0d7902131d252fe7561588d4ad7809ac5d2ffa7dd239c890c9
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1E9 13004 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 2 long base64-like blob(s).